491776740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4331

約数の個数: 216

約数和(自身を含む): 1869187320

約数和(自身を除く): 1377410580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1911, 2205, 2340, 2548, 2730, 2940, 3185, 3276, 3822, 4095, 4289, 4410, 5460, 5733, 6370, 7644, 8190, 8578, 8820, 9555, 11466, 12740, 12867, 16380, 17156, 19110, 21445, 22932, 25734, 28665, 30023, 38220, 38601, 42890, 51468, 55757, 57330, 60046, 64335, 77202, 85780, 90069, 111514, 114660, 120092, 128670, 150115, 154404, 167271, 180138, 193005, 210161, 223028, 257340, 270207, 278785, 300230, 334542, 360276, 386010, 390299, 420322, 450345, 501813, 540414, 557570, 600460, 630483, 669084, 772020, 780598, 836355, 840644, 900690, 1003626, 1050805, 1080828, 1115140, 1170897, 1260966, 1351035, 1561196, 1672710, 1801380, 1891449, 1951495, 2007252, 2101610, 2341794, 2509065, 2521932, 2702070, 2732093, 3152415, 3345420, 3512691, 3782898, 3902990, 4203220, 4683588, 5018130, 5404140, 5464186, 5854485, 6304830, 7025382, 7565796, 7805980, 8196279, 9457245, 10036260, 10928372, 11708970, 12609660, 13660465, 14050764, 16392558, 17563455, 18914490, 23417940, 24588837, 27320930, 32785116, 35126910, 37828980, 40981395, 49177674, 54641860, 70253820, 81962790, 98355348, 122944185, 163925580, 245888370, 491776740]

約数ペア:

[(1, 491776740), (2, 245888370), (3, 163925580), (4, 122944185), (5, 98355348), (6, 81962790), (7, 70253820), (9, 54641860), (10, 49177674), (12, 40981395), (13, 37828980), (14, 35126910), (15, 32785116), (18, 27320930), (20, 24588837), (21, 23417940), (26, 18914490), (28, 17563455), (30, 16392558), (35, 14050764), (36, 13660465), (39, 12609660), (42, 11708970), (45, 10928372), (49, 10036260), (52, 9457245), (60, 8196279), (63, 7805980), (65, 7565796), (70, 7025382), (78, 6304830), (84, 5854485), (90, 5464186), (91, 5404140), (98, 5018130), (105, 4683588), (117, 4203220), (126, 3902990), (130, 3782898), (140, 3512691), (147, 3345420), (156, 3152415), (180, 2732093), (182, 2702070), (195, 2521932), (196, 2509065), (210, 2341794), (234, 2101610), (245, 2007252), (252, 1951495), (260, 1891449), (273, 1801380), (294, 1672710), (315, 1561196), (364, 1351035), (390, 1260966), (420, 1170897), (441, 1115140), (455, 1080828), (468, 1050805), (490, 1003626), (546, 900690), (585, 840644), (588, 836355), (630, 780598), (637, 772020), (735, 669084), (780, 630483), (819, 600460), (882, 557570), (910, 540414), (980, 501813), (1092, 450345), (1170, 420322), (1260, 390299), (1274, 386010), (1365, 360276), (1470, 334542), (1638, 300230), (1764, 278785), (1820, 270207), (1911, 257340), (2205, 223028), (2340, 210161), (2548, 193005), (2730, 180138), (2940, 167271), (3185, 154404), (3276, 150115), (3822, 128670), (4095, 120092), (4289, 114660), (4410, 111514), (5460, 90069), (5733, 85780), (6370, 77202), (7644, 64335), (8190, 60046), (8578, 57330), (8820, 55757), (9555, 51468), (11466, 42890), (12740, 38601), (12867, 38220), (16380, 30023), (17156, 28665), (19110, 25734), (21445, 22932)]